/*
 * (C) 2006-2014 see Authors.txt
 *
 * This file is part of MPC-HC.
 *
 * MPC-HC is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * MPC-HC is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#pragma once

#include "AllocatorCommon.h"
#include "../SubPic/SubPicAllocatorPresenterImpl.h"
#include "../SubPic/ISubRender.h"

namespace DSObjects
{
    class CDXRAllocatorPresenter
        : public CSubPicAllocatorPresenterImpl
    {
        class CSubRenderCallback : public CUnknown, public ISubRenderCallback, public CCritSec
        {
            CDXRAllocatorPresenter* m_pDXRAP;

        public:
            CSubRenderCallback(CDXRAllocatorPresenter* pDXRAP)
                : CUnknown(_T("CSubRender"), nullptr)
                , m_pDXRAP(pDXRAP) {
            }

            DECLARE_IUNKNOWN
            STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv) {
                return
                    QI(ISubRenderCallback)
                    __super::NonDelegatingQueryInterface(riid, ppv);
            }

            void SetDXRAP(CDXRAllocatorPresenter* pDXRAP) {
                CAutoLock cAutoLock(this);
                m_pDXRAP = pDXRAP;
            }

            // ISubRenderCallback

            STDMETHODIMP SetDevice(IDirect3DDevice9* pD3DDev) {
                CAutoLock cAutoLock(this);
                return m_pDXRAP ? m_pDXRAP->SetDevice(pD3DDev) : E_UNEXPECTED;
            }

            STDMETHODIMP Render(REFERENCE_TIME rtStart, int left, int top, int right, int bottom, int width, int height) {
                CAutoLock cAutoLock(this);
                return m_pDXRAP ? m_pDXRAP->Render(rtStart, 0, 0, left, top, right, bottom, width, height) : E_UNEXPECTED;
            }

            // ISubRendererCallback2

            STDMETHODIMP RenderEx(REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, REFERENCE_TIME AvgTimePerFrame, int left, int top, int right, int bottom, int width, int height) {
                CAutoLock cAutoLock(this);
                return m_pDXRAP ? m_pDXRAP->Render(rtStart, rtStop, AvgTimePerFrame, left, top, right, bottom, width, height) : E_UNEXPECTED;
            }
        };

        CComPtr<IUnknown> m_pDXR;
        CComPtr<ISubRenderCallback> m_pSRCB;
        CSize   m_ScreenSize;

    public:
        CDXRAllocatorPresenter(HWND hWnd, HRESULT& hr, CString& _Error);
        virtual ~CDXRAllocatorPresenter();

        DECLARE_IUNKNOWN
        STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);

        HRESULT SetDevice(IDirect3DDevice9* pD3DDev);
        HRESULT Render(
            REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, REFERENCE_TIME atpf,
            int left, int top, int bottom, int right, int width, int height);

        // ISubPicAllocatorPresenter
        STDMETHODIMP CreateRenderer(IUnknown** ppRenderer);
        STDMETHODIMP_(void) SetPosition(RECT w, RECT v);
        STDMETHODIMP_(SIZE) GetVideoSize(bool bCorrectAR) const;
        STDMETHODIMP_(bool) Paint(bool bAll);
        STDMETHODIMP GetDIB(BYTE* lpDib, DWORD* size);
        STDMETHODIMP SetPixelShader(LPCSTR pSrcData, LPCSTR pTarget);

        // ISubPicAllocatorPresenter2
        STDMETHODIMP_(bool) IsRendering() {
            return true; // We don't know so we always pretend to be rendering
        }
    };
}
